debug.c

   1 #include "debug.h"
   2
   3 #include <stdio.h>
   4
   5 void
   6 printf_surface(SDL_Surface *s, char *name)
   7 {
   8         printf("SDL_Surface *%s = {\n", name);
   9                 printf("\tflags = 0x%x;\n", s->flags);
  10                 printf("\tformat = {\n");
  11                         printf("\t\tBitsPerPixel = %d;\n", s->format->BitsPerPixel);
  12                         printf("\t\tBytesPerPixel = %d;\n", s->format->BytesPerPixel);
  13                         printf("\t\tmasks = 0x%x, 0x%x, 0x%x, 0x%x;\n", s->format->Rmask, s->format->Gmask,
  14                                         s->format->Bmask, s->format->Amask);
  15                         printf("\t\tshifts = %d, %d, %d, %d;\n", s->format->Rshift, s->format->Gshift,
  16                                         s->format->Bshift, s->format->Ashift);
  17                         printf("\t\tlosses = %d, %d, %d, %d;\n", s->format->Rloss, s->format->Gloss,
  18                                         s->format->Bloss, s->format->Aloss);
  19                         printf("\t\tcolorkey = %d;\n", s->format->colorkey);
  20                         printf("\t\talpha = %d;\n", s->format->alpha);
  21                 printf("\t};\n");
  22                 printf("\tw, h = %d, %d;\n", s->w, s->h);
  23                 printf("\tpitch = %d;\n", s->pitch);
  24         printf("};\n");
  25 }
  26
  27 void
  28 printb(uint32_t n, int bits)
  29 {
  30         int i;
  31
  32         for(i=0; i<bits; i++) {
  33                 if(n & 0x80000000) putchar('1'); else putchar('0');
  34                 n = n << 1;
  35         }
  36 }
  37
  38 void
  39 print_mask(struct shape *s)
  40 {
  41         int i, j;
  42
  43         for(i=0; i<s->h; i++) {
  44                 for(j=0; j<s->mw-1; j++) printb(s->mask[s->mw*i+j], 32);
  45                 printb(s->mask[s->mw*i+j], s->w % 32);
  46                 putchar('\n');
  47         }
  48         putchar('\n');
  49 }